... with oil,water,dirt repellence treatment can make the media has not sticky and dust off more easily when ... show:Dimensions: Appearance Yellow,un-corrugated Use Pleatable filter media CompositionWater&oil repellent treatment spunbonded polyerster Product Code HLLR/ ... dust filtration fields,such as: Steel plate pre-processing, Shot blasting, Vacuum pumping sander.Powder convey, Pneumatic conveying system, ...